Senior Teaching and Research Fellow, Dipl/Dr.Eng, PhD (Aristotle University of Thessaloniki, Greece). He teaches courses on Web Journalism, social media, Human Computer Interaction, Multimedia Storytelling, and Intelligent Cities. His current research emphasis and expertise is on the design and development of web platforms for smart/intelligent cities, web and mobile technologies for new media, immersive storytelling, social media, open data, and civic media.  He is also a Research Associate in CERTH/ITI. He has participated in more than 30 research projects funded mainly by the European Commission. He has published more than 20 articles in scientific & academic journals and conferences.